package f.tools;

import java.util.List;
import java.util.UUID;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import f.admin.bo.entity.BaseBusinessObject;

public class DepUtil {

	/**
	 * 自动生成30位主键
	 * @return 30主键
	 */
	public static String createPrimaryId(){
		UUID uuid = UUID.randomUUID();
		String primaryId = uuid.toString().replace("-", "").substring(0, 30);
		return primaryId;
	}
	
	/**
	 * 对字符串进行编码
	 * @param src 字符串
	 * @return 编码后的字符串
	 */
	public static String escape(String src) {
		int i;
		char j;
		StringBuffer tmp = new StringBuffer();
		tmp.ensureCapacity(src.length() * 6);

		for (i = 0; i < src.length(); i++) {

			j = src.charAt(i);

			if (Character.isDigit(j) || Character.isLowerCase(j)
					|| Character.isUpperCase(j))
				tmp.append(j);
			else if (j < 256) {
				tmp.append("%");
				if (j < 16)
					tmp.append("0");
				tmp.append(Integer.toString(j, 16));
			} else {
				tmp.append("%u");
				tmp.append(Integer.toString(j, 16));
			}
		}
		return tmp.toString();
	}

	/**
	 * 对字符串进行解码
	 * @param src 字符串
	 * @return 解码后的字符串
	 */
	public static String unescape(String src) {
		StringBuffer tmp = new StringBuffer();
		tmp.ensureCapacity(src.length());
		int lastPos = 0, pos = 0;
		char ch;
		while (lastPos < src.length()) {
			pos = src.indexOf("%", lastPos);
			if (pos == lastPos) {
				if (src.charAt(pos + 1) == 'u') {
					ch = (char) Integer.parseInt(
							src.substring(pos + 2, pos + 6), 16);
					tmp.append(ch);
					lastPos = pos + 6;
				} else {
					ch = (char) Integer.parseInt(
							src.substring(pos + 1, pos + 3), 16);
					tmp.append(ch);
					lastPos = pos + 3;
				}
			} else {
				if (pos == -1) {
					tmp.append(src.substring(lastPos));
					lastPos = src.length();
				} else {
					tmp.append(src.substring(lastPos, pos));
					lastPos = pos;
				}
			}
		}
		return tmp.toString();
	}
	
	/**
	 * 将业务对象集合转成JSON集合
	 * @param boList 业务对象集合
	 * @return JSON集合
	 */
	public static JSONArray toJSONArray(List boList) {
		JSONArray jsonArr = new JSONArray();
		for(int i = 0; i < boList.size(); i++) {
			Class cls = boList.get(i).getClass();
			System.out.println(cls.getName());
			BaseBusinessObject bo = (BaseBusinessObject) cls.cast(boList.get(i));
			JSONObject jsonObj = JSONObject.fromObject(bo.getJsonString());
			jsonArr.add(jsonObj);
		}
		return jsonArr;
	}
}
